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## Proof that π is irrational

en.wikipedia.org/wiki/Proof_that_π_is_irrational

In the 18th century, Johann Heinrich Lambert proved that the number π (pi) is irrational. That is ... Then Lambert proved that if x is non-zero and rational then this expression must be irratio...

## If 22/7 is rational, why is pi irrational? - Quora

www.quora.com/If-22-7-is-rational-why-is-pi-irrational

Because 227 22 7 isn't pi. The definition of an irrational number is that it cannot be expressed ...

## Irrational Numbers - Math is Fun

www.mathsisfun.com/irrational-numbers.html

A Rational Number can be written as a Ratio of two integers (ie a simple fraction). Example: 1.5 is rational, ... Example: π (Pi) is a famous irrational number.

## (22/7) is a rational number and (π) is irrational number ...

math.stackexchange.com/questions/1547181/22-7-is-a-rational-number-and-π-is-irrational-number

Nov 26, 2015 ... If you don't know why 22/7 is a rational number, you are not going to understand why π is an irrational number. – Gerry Myerson Nov 26 '15 at ...

## Is pi a real number? | Reference.com

Pi is a real number, as all numbers that exist on a number line are real. Real numbers include all rational and irrational numbers; pi is defined as an irrational.. .

## Pi is an Irrational Number - Fact or Myth?

factmyth.com/factoids/pi-is-an-irrational-number/

Mar 27, 2016 ... Pi (π) is an irrational number, meaning it represents a real number ... (a rational number, a repeating pattern, with an infinite number of digits).

## how is pi an irrational number when it can be expressed as 22/7 ...

hubpages.com/education/forum/33827/how-is-pi-an-irrational-number-when-it-can-be-expressed-as-227

Pi is an irrational number simply because it does not have an exact decimal equivalent. ... 22/7 is a rational number but pi is not because 22/7 is only a rough or ...

Feb 14, 2011 ... The Universe as the square root of the irrational number pi - Duration: 20:48. An artist theory on the physics of 'Time' as a physical process.
Oct 30, 2015 ... Pi is a mathematical constant and one of the most important ... first t o prove that Pi is irrational (i.e. it cannot be put down as a rational simple ...

## Classifying numbers: rational & irrational | Khan Academy

Given a bunch of numbers, learn how to tell which are rational and which are irrational.

Pi is an irrational number.

### How can π be irrational if π is equal to a circle's circumference over ...

www.quora.com

It is a ratio of magnitudes, Circumference/Diameter, but it is not a ratio of integers (whole ... Since π is not a rational number, that means that if the diameter of a circle is an integer, then its circumference is ... If 22/7 is rational, why is pi irrational?

### fractions - why is PI considered irrational if it can be expressed as ...

math.stackexchange.com

Mar 7, 2015 ... The fact that π can be approximated as accurately as wanted by rational numbers does not contradict the irrationality of π . – hardmath Mar 7 ...

### Proving Pi is Irrational: a step-by-step guide to a “simple proof ...

mindyourdecisions.com

Nov 8, 2013 ... You might remember the terms rational and irrational numbers from math class. As a refresher, numbers like 3, 0.5, 0.333…., -10, -1/2, or 1/7 ...